Compositions for bis-(fluoromethyl)ether

Details Compositions for bis-(fluoromethyl)ether Compositions for bis-(fluoromethyl)ether

1996-05-21

1998-03-03

Richter, Johann

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C07C 4312

Patent

active

057236844

ABSTRACT:
A composition comprising bis(fluoromethyl)ether and less than an equimolar amount of water, a process for the production of the composition comprising contacting formaldehyde with hydrogen fluoride and separating at least some of the by-product water from bis(fluoromethyl)ether, and use of the composition for the production of difluoromethane.

REFERENCES:
patent: 3377394 (1968-04-01), Boudakian et al.
Weinmayr, Viktor, Hydrogen Fluoride As a Condensing Agent. VI. Reactions of Fluoroolefins With Formaldehyde in Hydrogen Flouride, Journal of Org. Chem., vol. 28, Feb. 1963, pp. 492-494.
Lawrence Summers, Action of Hydrogen Halide On an Aldehyde or an Aldehyde-Alcohol Mixture, The .alpha.-Haloalkyl Ethers, Dec. 1954, pp. 314-315 and 337-338.
Sokol' Skii, G.A., Fluormethyl Esters Of Sulfuric Acid. VII. Stability Of Difluoromethyl Esters Of Fluorosulfonic and Alkylsulfuric Acids, Translated from Zhurnal Obshchei Khimii, vol. 32, No. 4, pp. 1310-1314, Apr. 1962.
Organic Fluorine Compounds. XXXII. Protonated Fluormethyl Alcohol, Journal of the American Chemical Society, 93:3, Feb. 1971, pp. 781-782.
Damagh et al, J. Inorg. Nucl. Chem., 1970, vol. 32, pp. 1745-1747.
Weinmayr, J. Org. Chem. 28, pp. 492-494, 1963.
Hasek et al, J.A.C.S., 82 pp. 543-551 (1963).

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